📝 Question
#1152
What do data warehouses support?
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Correct Answer
A. OLAP
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Explanation
None. 9. SELECT item name, color, clothes SIZE, SUM(quantity) FROM sales GROUP BY rollup(item name, color, clothes SIZE); a) 8 b) 4 c) 2 d) 1 { (item name, color, clothes size), (item name, color), (item name), () }.
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